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Hearing aid

  • US 7,010,137 B1
  • Filed: 03/13/2000
  • Issued: 03/07/2006
  • Est. Priority Date: 03/12/1997
  • Status: Expired due to Fees
First Claim
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1. A battery for use in a hearing aid insertable into an ear canal, the battery being shaped to substantially conform to a longitudinal portion of the ear canal between an aperture and a first bend of the ear canal, the battery being generally cylindrical in shape having an outer diameter dimension which varies from D1 to D2 in a longitudinal direction along its length dimension L, D1 being less than D2, and wherein L is less than D1 or D2 and the battery fits in a housing in the hearing aid such that the diameter dimension extends traverse the ear canal, wherein the outer diameter dimension of the battery is less than D2 over a substantial portion of the battery along its length dimension L.

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